import java.util.Arrays;
import java.util.*;
import static java.lang.Math.*;
/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 28463
 * Date: 2022—05—14
 * Time: 8:24
 */
public class TestDemo01 {
/*    public static void main(String[] args) {
        int[][] array = {{1,2,3},{4,5,6}};
        int[][] array2 = new int[][]{{7,8,9},{1,2,3}};
        int[][] array3 = new int[2][3];

        for (int[] tmp: array) {
            for (int x: tmp) {
                System.out.print(x + " ");
            }
        }
        System.out.println(Arrays.deepToString(array));
    }*/
/*public static void main(String[] args) {
    int[][] array = new int[2][];
    array[0] = new int[3];
    array[1] = new int[5];
    System.out.println(Arrays.deepToString(array));
}*/
/*    int year;
    //默认权限,可以省略default
    private int month;
    //私有权限，只能在同一个类中访问
    private int day;
    //公有权限，那里都能访问

    //提供一个公开的接口
    //设置一个月份


    public int getMonth() {
        return month;
    }

    public void setMonth(int month) {
        this.month = month;
    }

    public int getDay() {
        return day;
    }

    public void setDay(int day) {
        this.day = day;
    }*/
/*public static void main(String[] args) {
    java.util.Date date = new java.util.Date();
    System.out.println(date.getTime());
}*/
/*public static void main(String[] args) {
    Date date =new Date();
    System.out.println(date.getTime());
}*/
/*public static void main(String[] args) {
    Date date = new Date();
    System.out.println(date.getTime());
}*/
public static void main(String[] args) {
    double x = 13;
    double y = 14;
    double result = sqrt(pow(x,2)+pow(y,2));
}
}
